Maciej Piętowski
// Async — when source or transforms may be asynchronous，这一点在Line官方版本下载中也有详细论述
For horizontal movement we can do even better. If your snake is moving to the right, we start by deleting every character on the left edge of the screen and inserting a new one on the right edge. After that, we do our patching (if needed). This automatically moves fruit into the correct position without us even needing to reprint it!，更多细节参见Line官方版本下载
特斯拉无人驾驶技术在阿布扎比完成道路实测，详情可参考heLLoword翻译官方下载